Here are many things that can be done with apples
Here is an interesting wikihow on how to make Apple tea lights, I have yet to try it, but it looks straightforward:
making apple vinegar
cooking with applewood
making apple essential oil
Apples as a fun Halloween decoration:
Flickr/Castaway in Scotland/CC BY 2.0
To make the shrunken heads, simply peel, carve with a pairing knife, and wait a week or two for them two dry out and rot.